Potassium Superoxide (KO₂,71 $\to$ 4 KOH(s)+ 3 O₂(g)
A)225

question 124

Multiple Choice

Potassium superoxide (KO₂,71.10 g/mol) can be used to generate oxygen gas.What is the theoretical yield of O₂ (32.00 g/mol) if 500.0 g KO₂ reacts with excess H₂O (18.02 g/mol) ? 4 KO₂(s) + 2 H₂O $\to$ 4 KOH(s) + 3 O₂(g)

• A)225.0 g
• B)168.8 g
• C)375.0 g
• D)675.1g
• E)56.26 g

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